Finding the Fourth Proportional to 145,753.08, 201,232.14 and 118,959.48
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Solution
The fourth proportional to 145,753.08, 201,232.14 and 118,959.48 is: 164,239.90
Step by Step Solution
- Step 1: Write the proportion equation
145,753.08 : 201,232.14 = 118,959.48 : x - Step 2: Convert to fraction form
145,753.08/201,232.14 = 118,959.48/x - Step 3: Cross multiply
145,753.08x = 201,232.14 × 118,959.48 - Step 4: Simplify right side
145,753.08x = 23,938,470,733.69 - Step 5: Solve for x
x = 23,938,470,733.69/145,753.08 - Step 6: Final answer
x = 164,239.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.